//
//  UserAccount.swift
//  Sina
//
//  Created by 王杰 on 15/11/10.
//  Copyright © 2015年 王杰. All rights reserved.
//

import UIKit

class UserAccount: NSObject,NSCoding {

    var access_token:String?
    var expires_in:NSTimeInterval = 0 {
    
        didSet{
        
        expires_date = NSDate(timeIntervalSinceNow: expires_in)
        }
    }
    var expires_date :NSDate?
    var uid: String?
    var avatar_large:String?
    var name: String?
    
    init(dict:[String:AnyObject]) {
        super.init()
        setValuesForKeysWithDictionary(dict)
    }
    
    
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
    
    }
    
    override var description:String {
    
    let keys = ["access_token","expires_in","uid","avatar_large","name","expires_date"]
        
        return dictionaryWithValuesForKeys(keys).description
    
    }
    
    //归档操作
    func saveAccount() {
    
    let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        NSKeyedArchiver.archiveRootObject(self, toFile: path)
        print(path)
    
    }
    //解档操作
    class func loadAccount() -> UserAccount? {
       
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        if let account = NSKeyedUnarchiver.unarchiveObjectWithFile(path) as? UserAccount {
            
            return account
        }
        return nil
    }
    //实现NSCoding 协议的方法
    required init? (coder aDecoder:NSCoder) {
    
    access_token = aDecoder.decodeObjectForKey("access_token") as?String
        expires_in = aDecoder.decodeDoubleForKey("expires_in")
        uid = aDecoder.decodeObjectForKey("uid") as? String
        
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as?String

        name = aDecoder.decodeObjectForKey("name") as?String
        
        expires_date = aDecoder.decodeObjectForKey("expires_date") as? NSDate
    }
    
    func encodeWithCoder(aCoder: NSCoder) {
        
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeDouble(expires_in, forKey: "expires_in")
        aCoder.encodeObject(uid, forKey: "uid")
        
        aCoder.encodeObject(name, forKey: "name")
        
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
        
        aCoder.encodeObject(expires_date, forKey: "expires_date")
    }
}


















